Bt.grid.BooleanColumn = Ext.extend(Ext.grid.Column, {
	
	//Config Options {
		
		 header		: '&nbsp;'
		,dataIndex	: ''
		,sortable	: false
		,fixed		: true
			
	//}
	
	//Inits {
		
		,constructor : function(cfg)
		{
			Ext.apply(cfg,{
				 align			: 'center'
				,menuDisabled	: true
				,width			: 100
			})

			//super
			Bt.grid.BooleanColumn.superclass.constructor.call(this,cfg)
		}
	//}
	
	//Override {
	
		,renderer: function(v)
		{
			return '<img src="'+ Ext.BLANK_IMAGE_URL +'" width="16" height="16" class="ico-check-'+(v ? 'true' : 'false')+'" />';
		}
	
	//}
	
});

Ext.grid.Column.types['b-boolean'] = Bt.grid.BooleanColumn;